How to setup SIP client on LTE UE simulator

Here is an example of SIP client that can be installed on LTE UE simulator to establish SIP call

Prerequisites

1. Install jitsi on you setup

2. Your UE instance must have tun_setup_script enabled. (add tun_setup_script: "ue-ifup", in ue_list section of ue_db-ims.cfg

3. GUI must be enabled . If it's disabled by default on your setup , just run startx command (it's not persistent)

Start jitsi from the namespace of the expected UE with the command "ip netns exec ueX jitsi " . You can get the UEid list with the command ip netns list . example ip netns exec ue1 jitsi
Once Jitsi is opened, create an account and set the SIP id :
Select network = SIP
SIP id = user@imsserveraddress . example sip id = 001010123456789@192.168.4.1 when LTE UE is running against Amarisoft enB and IMS server ( where 001010123456789 is the IMPU of the UE)
Set password or disable authentication on IMS server (if running against Amarisoft enB and IMS server, set authent_type: "none", in ue_db-ims.cfg )